However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. The applicant must maintain current knowledge of pertinent national, state, regional, and local level environmental policies and regulations, have the ability to effectively interface with internal and external customers, upper management, subject matter experts, and other stakeholders, and be able to assist in resolving complex environmental matters.